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13203538164187 = 71999274723039
BaseRepresentation
bin1100000000100011000000…
…1100111011100111011011
31201202020122021110120120221
43000020300030323213123
53212311321232223222
644025342141500511
72531631661426030
oct300106014734733
951666567416527
1013203538164187
114230653095028
121592b26271737
1374a11c016c67
143390a9d9b387
1517d6c35560c7
hexc023033b9db

13203538164187 has 8 divisors (see below), whose sum is σ = 15883955686400. Its totient is φ = 10721670088104.

The previous prime is 13203538164161. The next prime is 13203538164269. The reversal of 13203538164187 is 78146183530231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13203538164187 is a prime.

It is a super-2 number, since 2×132035381641872 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203538167187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49637361387 + ... + 49637361652.

It is an arithmetic number, because the mean of its divisors is an integer number (1985494460800).

Almost surely, 213203538164187 is an apocalyptic number.

13203538164187 is a deficient number, since it is larger than the sum of its proper divisors (2680417522213).

13203538164187 is an equidigital number, since it uses as much as digits as its factorization.

13203538164187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99274723065.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 13203538164187 in words is "thirteen trillion, two hundred three billion, five hundred thirty-eight million, one hundred sixty-four thousand, one hundred eighty-seven".

Divisors: 1 7 19 133 99274723039 694923061273 1886219737741 13203538164187